/// <summary>
/// 停止全局钩子
/// </summary>
/// <exception cref="System.Exception">UnhookWindowsHookEx failed.</exception>
/// <exception cref="Exception">UnhookWindowsHookEx failed.</exception>
public static void Stop()
{
bool retMouse = true;
if (_hMouseHook != 0)
{
retMouse = WindowsHook.StopHook(_hMouseHook);
_hMouseHook = 0;
}
// 假设卸下钩子失败
if (!(retMouse))
{
throw new Exception("UnhookWindowsHookEx failed.");
}
}
private static int _hMouseHook = 0; // 鼠标钩子句柄
/// <summary>
/// 启动全局钩子
/// </summary>
/// <exception cref="System.Exception">SetWindowsHookEx failed.</exception>
/// <exception cref="Exception">SetWindowsHookEx failed.</exception>
public static void Start()
{
// 安装鼠标钩子
if (_hMouseHook != 0)
{
Stop();
}
// 生成一个HookProc的实例.
WindowsHook.HookMsgChanged += WindowsHook_HookMsgChanged;
_hMouseHook = WindowsHook.StartHook(HookType.WH_MOUSE_LL);
//假设装置失败停止钩子
if (_hMouseHook == 0)
{
Stop();
}
}